mixin simage(url, width, height = width)
  img.ui-block(src=url, style="width: " + width + "; height:" + height)&attributes(attributes)

mixin hover-image(url, hoverurl, width, height = width)
  .ui-hover-image.ui-relative&attributes(attributes)
    img.ui-block(src=url, style="width: " + width + "; height:" + height)
    img.ui-block(src=hoverurl, style="width: " + width + "; height:" + height)